Unlocking the Waves: Your Comprehensive Guide
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
What is the vertical axis of a graph called?
a. z-axis
b. x-axis
c. y-axis
d. time-axis - ansc. y-axis
What is the name of the horizontal axis of a graph?
a. z-axis
b. x-axis
c. y-axis
d. red axis - ansb. x-axis
How are scores on the ultrasound board exams related to study time?
a. inversely
b. conversely
c. directly
d. unrelated - ansc. directly
How are caloric intake and weight related?
A. inversely
B. partially
C. reciprocally
D. directly - ansd. directly
How is weight related to a sonographer's time spent exercising?
a. inversely
b. conversely
c. directly
d. unrelated - ansA. inversely
What is the reciprocal of 1,000?
a. one-hundreth
b. 1,000
c. 0.001
d. one-millionth - ansc. 0.001
What is the reciprocal of 5?
a. one-hundredth
b. 5
c. 1/5
d. one-millionth - ansc. 1/5
What is the reciprocal of 1/10?
a. one-hundredth
b. 10
c. 1/10
d. one-millionth - ansb. 10
A sack contains 6 pounds of flour. The contents of the bag are increased by a factor of 5.
How much flour is in the bag?
a. 6 pounds
b. 11 pounds
,Unlocking the Waves: Your Comprehensive Guide
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
c. 60 pounds
d. 30 pounds - ansd. 30 pounds
A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many
flowers remain?
a. 27
b. 0
c. 10
d. 15 - ansc. 10
Which of the following is not a measurement of area?
a. square cm
b. meters squared
c. cubic meters
d. feet x feet - ansc. cubic meters
A sonographer measures the perimeter of an anatomical structure. Which of the following
choices is a reasonable value for the measurement?
A. 6 cm2
B. 5 cc
C. 15 mm
D. 18 dB - ansc. 15mm
What are the units associated with the circumference of a circle?
a. mm
b. mm2
c. cm3
d. m4 - ansa. mm
The volume of a cystic structure is estimated from sonographic data. Which of the following
is an acceptable measurement of this volume?
a. 6
b. 6cm
c. 6cm2
d. 6cm3 - ansd. 6cm3
The speed of red blood cells traveling through a blood vessel is 750 cm/sec. You are asked to
measure this speed in miles per hour. What information would be sufficient for you to
complete your task?
A. how many seconds in a minute and how many blood cells in the vessel
B. the number of miles in a meter
C. how many seconds per hour and the number of miles in a centimeter
D. the direction of red blood cell motion and the Doppler shift frequency - ansc. how many
seconds per hour and the number of miles in a centimeter
How much bigger is one billion than one thousand?
a. 1,000 times
b. 1,000,000 times
c. 10 times
d. 10,000 times - ansb. 1,000,000 times
Select the sequence that appears in increasing order.
,Unlocking the Waves: Your Comprehensive Guide
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
A. mega, kilo, hecto, milli, giga
B. nano, milli, micro, deci, deca, mega
C. centi, deci, deca, hecto
D. milli, hecto, centi, deci, nano, giga - ansc. centi, deci, deca, hecto
How many nanoseconds are in 7 seconds?
A. 7,000,000
B. 7,000,000,000
C. 7 million
D. 0.00000007 - ansb. 7,000,000,000
the letters below represent the abbreviations for the prefixes of the metric system. Select the
sequence that appears in decreasing order.
a. m, k, M, g, da
d. g, m, k, d, microsecond
c. g, k, di, m, microsecond, n
d. M, k, da, d, c - ansd. M, k, da, d, c
Match the following prefixes with their meanings:
a. mega
b. hecto
c. milli
d. kilo
e. nano
f. giga
1. hundreds
2. thousands
3. thousandths
4. millions
5. billions
6. billionths - ansa. mega 4. millions
b. hecto 1. hundreds
c. milli 3. thousandths
d. kilo 2. thousands
e. nano 6. billionths
f. giga 5. billions
Which term is the reciprocal of mega?
A. nano
B. kilo
C. macro
D. micro - ansd. micro
How can the volume of an irregularly shaped object be measured most accurately?
a. by visual inspection
b. by its weight
c. by immersing it in water
d. by ultrasound scanning it - ansc. by immersing it in water
, Unlocking the Waves: Your Comprehensive Guide
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
What term is used to describe the effects of an ultrasound wave on living tissues?
a. toxic effects
b. acoustic propagation properties
c. biological effects
d. transmission properties - ansc. biological effects
As sound travels through a medium, what term describes the effects of the medium on the
sound wave?
a. toxic effects
b. acoustic propagation properties
c. bioeffects
d. transmission properties - ansb. acoustic propagation properties
Which of the following is true of all waves?
a. they travel through a medium
b. all carry energy from one site to another
c. their amplitudes do not change
d. they travel in a straight line - ansb. they all carry energy from one site to another
Which of the following types of waves do not require a medium in order to propagate? (More
than one answer may be correct).
a. light
b. heat
c. sound
d. television - ansA. light
B. heat
D. television
Which of the following describes the characteristics of a sound wave?
a. longitudinal, non-mechanical
b. mechanical, transverse
c. transverse, acoustic
d. mechanical, longitudinal - ansd. mechanical, longitudinal
Sound is best described as _____.
A. a series of compressions and rarefactions
B. a transverse wave
C. a wave humans can hear
D. an oblique displacement of acoustic energy - ansa. a series of compressions and
rarefactions
All of the following are true about sounds waves except:
a. they are mechanical
b. they are transverse
c. they carry energy from place to place
d. they generally travel in a straight line - ansb. they are transverse
Which of the following 8 selections are acoustic variables?
1. frequency
2. pressure
3. propagation speed
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
What is the vertical axis of a graph called?
a. z-axis
b. x-axis
c. y-axis
d. time-axis - ansc. y-axis
What is the name of the horizontal axis of a graph?
a. z-axis
b. x-axis
c. y-axis
d. red axis - ansb. x-axis
How are scores on the ultrasound board exams related to study time?
a. inversely
b. conversely
c. directly
d. unrelated - ansc. directly
How are caloric intake and weight related?
A. inversely
B. partially
C. reciprocally
D. directly - ansd. directly
How is weight related to a sonographer's time spent exercising?
a. inversely
b. conversely
c. directly
d. unrelated - ansA. inversely
What is the reciprocal of 1,000?
a. one-hundreth
b. 1,000
c. 0.001
d. one-millionth - ansc. 0.001
What is the reciprocal of 5?
a. one-hundredth
b. 5
c. 1/5
d. one-millionth - ansc. 1/5
What is the reciprocal of 1/10?
a. one-hundredth
b. 10
c. 1/10
d. one-millionth - ansb. 10
A sack contains 6 pounds of flour. The contents of the bag are increased by a factor of 5.
How much flour is in the bag?
a. 6 pounds
b. 11 pounds
,Unlocking the Waves: Your Comprehensive Guide
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
c. 60 pounds
d. 30 pounds - ansd. 30 pounds
A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many
flowers remain?
a. 27
b. 0
c. 10
d. 15 - ansc. 10
Which of the following is not a measurement of area?
a. square cm
b. meters squared
c. cubic meters
d. feet x feet - ansc. cubic meters
A sonographer measures the perimeter of an anatomical structure. Which of the following
choices is a reasonable value for the measurement?
A. 6 cm2
B. 5 cc
C. 15 mm
D. 18 dB - ansc. 15mm
What are the units associated with the circumference of a circle?
a. mm
b. mm2
c. cm3
d. m4 - ansa. mm
The volume of a cystic structure is estimated from sonographic data. Which of the following
is an acceptable measurement of this volume?
a. 6
b. 6cm
c. 6cm2
d. 6cm3 - ansd. 6cm3
The speed of red blood cells traveling through a blood vessel is 750 cm/sec. You are asked to
measure this speed in miles per hour. What information would be sufficient for you to
complete your task?
A. how many seconds in a minute and how many blood cells in the vessel
B. the number of miles in a meter
C. how many seconds per hour and the number of miles in a centimeter
D. the direction of red blood cell motion and the Doppler shift frequency - ansc. how many
seconds per hour and the number of miles in a centimeter
How much bigger is one billion than one thousand?
a. 1,000 times
b. 1,000,000 times
c. 10 times
d. 10,000 times - ansb. 1,000,000 times
Select the sequence that appears in increasing order.
,Unlocking the Waves: Your Comprehensive Guide
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
A. mega, kilo, hecto, milli, giga
B. nano, milli, micro, deci, deca, mega
C. centi, deci, deca, hecto
D. milli, hecto, centi, deci, nano, giga - ansc. centi, deci, deca, hecto
How many nanoseconds are in 7 seconds?
A. 7,000,000
B. 7,000,000,000
C. 7 million
D. 0.00000007 - ansb. 7,000,000,000
the letters below represent the abbreviations for the prefixes of the metric system. Select the
sequence that appears in decreasing order.
a. m, k, M, g, da
d. g, m, k, d, microsecond
c. g, k, di, m, microsecond, n
d. M, k, da, d, c - ansd. M, k, da, d, c
Match the following prefixes with their meanings:
a. mega
b. hecto
c. milli
d. kilo
e. nano
f. giga
1. hundreds
2. thousands
3. thousandths
4. millions
5. billions
6. billionths - ansa. mega 4. millions
b. hecto 1. hundreds
c. milli 3. thousandths
d. kilo 2. thousands
e. nano 6. billionths
f. giga 5. billions
Which term is the reciprocal of mega?
A. nano
B. kilo
C. macro
D. micro - ansd. micro
How can the volume of an irregularly shaped object be measured most accurately?
a. by visual inspection
b. by its weight
c. by immersing it in water
d. by ultrasound scanning it - ansc. by immersing it in water
, Unlocking the Waves: Your Comprehensive Guide
to Understanding Ultrasound Physics, Fourth
Edition by Edelman.
A Top-Rated Exam Study Guide Current Updated
Edition 2025/2026
What term is used to describe the effects of an ultrasound wave on living tissues?
a. toxic effects
b. acoustic propagation properties
c. biological effects
d. transmission properties - ansc. biological effects
As sound travels through a medium, what term describes the effects of the medium on the
sound wave?
a. toxic effects
b. acoustic propagation properties
c. bioeffects
d. transmission properties - ansb. acoustic propagation properties
Which of the following is true of all waves?
a. they travel through a medium
b. all carry energy from one site to another
c. their amplitudes do not change
d. they travel in a straight line - ansb. they all carry energy from one site to another
Which of the following types of waves do not require a medium in order to propagate? (More
than one answer may be correct).
a. light
b. heat
c. sound
d. television - ansA. light
B. heat
D. television
Which of the following describes the characteristics of a sound wave?
a. longitudinal, non-mechanical
b. mechanical, transverse
c. transverse, acoustic
d. mechanical, longitudinal - ansd. mechanical, longitudinal
Sound is best described as _____.
A. a series of compressions and rarefactions
B. a transverse wave
C. a wave humans can hear
D. an oblique displacement of acoustic energy - ansa. a series of compressions and
rarefactions
All of the following are true about sounds waves except:
a. they are mechanical
b. they are transverse
c. they carry energy from place to place
d. they generally travel in a straight line - ansb. they are transverse
Which of the following 8 selections are acoustic variables?
1. frequency
2. pressure
3. propagation speed
